header {
    width: 100%;
    width: 100%;
    position: fixed;
    z-index: 1;
    top: 0;
    li {
        padding: 10px;
    }
}

main {
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    .list {
        padding: 20px;

        li {
            border: 1px solid #ffc107;
            line-height: 2;
            /* padding: 10px; */
            width: 20%;
            border-radius: 10px;
            overflow: hidden;

            /* 确保子元素不会溢出圆角边界 */
            span {
                font-size: 14px;
            }
        }
    }
}

main .list li span:nth-child(2) {
    font-weight: bolder;
}

main .list li span:nth-child(3) {
    color: #ffc107;
    font-weight: bolder;
}

main .list li span:nth-child(4) {
    color: #999;
    font-size: 10px;
    text-decoration: line-through;
    font-weight: normal;
}

main .list li span:nth-child(5) {
    color: red;
    font-weight: bolder;
}

.ok {
    width: 100%;
    text-align: center;
    color: #fff;
    background-color: #ffc107;
}

body {
    font-family: Arial, sans-serif;
}

.member-benefits {
    margin: 0 auto;
    padding: 20px;

}

.member-benefits h2 {
    color: #333;
    font-size: 16px;
}

.member-benefits ol {
    list-style-type: decimal;
}

.member-benefits li {
    line-height: 1.5;
    margin-top: 10px;
    font-size: 12px;
    color: #666;
}

.coupon{
    padding: 15px 20px;
}
.coupon span{
    color: #999;
}

.points{
    padding: 15px 20px;
}
.points span{
    color: #999;
}

.validity{
    padding: 15px 20px;
}
.validity span{
    color: #999;
}

.tips{
    padding: 5px 20px;
}
.tips p{
    color: #999;
    font-size: 13px;
    line-height: 1.5;
}

.amount{
    padding: 15px 20px;
}

footer{
    width: 100%;
    position: fixed;
    z-index: 1;
    bottom: 0;
}

.next-step{
    padding: 10px 50px;
    background-color: #ffc107;
    border: none;
    border-radius: 5px;
}